“My world almost ended this morning when the local Starbucks told me they were out of Pumpkin Spice Latte,” tweeted Jason Sizemore, 38 years old, of Lexington, Ky.

Cynthia Smalls, a barista at a midtown Manhattan Starbucks, said steamed customers have grown emotional on days her location runs out of pumpkin sauce. “They go crazy. The day we first found out we had a shortage, forget it,” she said.

Her own surprised reaction: “You guys do know it’s just a drink, right?” she said.